我已经从我的windows7机器创建了一个热点，并尝试编写代码将我的Android手机连接到该热点。 我已经能够连接手机了。 此外，我正在尝试使用代码修改连接热点的IP和端口等代理设置。 手机正在连接热点，但代码无法修改代理设置。
我写的代码如下：
Main_activity.java
我正在连接在vb.net中创建的wifi热点，然后将手机连接到该热点
`包com.example.connect_avek;
import android.annotation.TargetApi;
import android.app.Activity;
import android.content.Context;
import android.graphics.Color;
import android.net.ConnectivityManager;
import android.net.NetworkInfo;
import android.net.ProxyInfo;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.WifiManager;
import android.os.Build;
import android.os.Bundle;
import android.support.design.widget.FloatingActionButton;
import android.support.design.widget.Snackbar;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.util.Log;
import android.view.View;
import android.view.Menu;
import android.view.MenuItem;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.Toast;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import java.util.List;
import static android.widget.Toast.LENGTH_LONG;
public class MainActivity extends Activity {
Button startbtn,stopbtn;
RelativeLayout background;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
startbtn = (Button)findViewById(R.id.startbtn);
stopbtn = (Button)findViewById(R.id.stopbtn);
startbtn.setOnClickListener(new View.OnClickListener() {
@TargetApi(Build.VERSION_CODES.LOLLIPOP)
@Override
public void onClick(View v) {
//start connection code
WifiManager wifi = (WifiManager)getSystemService(Context.WIFI_SERVICE);
wifi.setWifiEnabled(true);
WifiConfiguration wc = new WifiConfiguration();
wc.SSID = "\"" + "shashank" + "\""; // Please note the quotes. String should contain SSID in quotes
wc.preSharedKey = "\"" + "mummy@123" + "\"";
wc.status = WifiConfiguration.Status.ENABLED;
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wc.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wc.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wc.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
Log.d("connecting", wc.SSID + " " + wc.preSharedKey);
wifi.addNetwork(wc);
Log.d("after connecting", wc.SSID + " " + wc.preSharedKey);
List<WifiConfiguration> list = wifi.getConfiguredNetworks();
for (WifiConfiguration i : list) {
if (i.SSID != null && i.SSID.equals("\"" + "shashank" + "\"")) {
wifi.disconnect();
wifi.enableNetwork(i.networkId, true);
wifi.reconnect();
Log.d("re connecting", i.SSID + " " + wc.preSharedKey);
try {
Class proxyInfoClass = Class.forName("android.net.ProxyInfo");
Class[] setHttpProxyParams = new Class[1];
setHttpProxyParams[0] = proxyInfoClass;
Class wifiConfigClass = Class.forName("android.net.wifi.WifiConfiguration");
Method setHttpProxy = wifiConfigClass.getDeclaredMethod("setHttpProxy", setHttpProxyParams);
setHttpProxy.setAccessible(true);
//Method 1 to get the ENUM ProxySettings in IpConfiguration
Class ipConfigClass = Class.forName("android.net.IpConfiguration");
Field f = ipConfigClass.getField("proxySettings");
Class proxySettingsClass = f.getType();
//Method 2 to get the ENUM ProxySettings in IpConfiguration
//Note the $ between the class and ENUM
//Class proxySettingsClass = Class.forName("android.net.IpConfiguration$ProxySettings");
Class[] setProxySettingsParams = new Class[1];
setProxySettingsParams[0] = proxySettingsClass;
Method setProxySettings = wifiConfigClass.getDeclaredMethod("setProxySettings", setProxySettingsParams);
setProxySettings.setAccessible(true);
ProxyInfo pi = ProxyInfo.buildDirectProxy("192.168.137.1", 7777);
//Android 5 supports a PAC file
//ENUM value is "PAC"
//ProxyInfo pacInfo = ProxyInfo.buildPacProxy(Uri.parse("http://localhost/pac"));
//pass the new object to setHttpProxy
Object[] params_SetHttpProxy = new Object[1];
params_SetHttpProxy[0] = pi;
setHttpProxy.invoke(wc, params_SetHttpProxy);
//pass the enum to setProxySettings
Object[] params_setProxySettings = new Object[1];
params_setProxySettings[0] = Enum.valueOf((Class<Enum>) proxySettingsClass, "STATIC");
setProxySettings.invoke(wc, params_setProxySettings);
//save the settings
wifi.updateNetwork(wc);
wifi.disconnect();
wifi.reconnect();
} catch (Exception e) {
Log.v("wifiProxy", e.toString());
}
}
break;
}
}
});
stopbtn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//stop connection code
WifiManager wifi = (WifiManager) getSystemService(Context.WIFI_SERVICE);
wifi.setWifiEnabled(false);
}
});
}
} `
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**manifest.xml**
我已添加了互联网状态和活动的wifi权限
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.connect_avek" >
<uses-permission android:name="android.permission.ACCESS_WIFI_STATE" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.CHANGE_WIFI_STATE"/>
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name"
android:theme="@style/AppTheme.NoActionBar" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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